| 时间 | 值 （百万吨公里） | 世界排名 |
|---|---|---|
| 2016 | 66674868.1 | 16 |
| 2015 | 60564041.1 | 17 |
| 2014 | 53069339 | 17 |
| 2013 | 48056735.8 | 17 |
| 2012 | 48089178.3 | 16 |
| 2011 | 52736140.9 | 14 |
| 2010 | 52847712.6 | 13 |
| 2009 | 49289158 | 12 |
| 2008 | 55213716 | 9 |
| 2007 | 60664991 | 7 |
| 2006 | 53122464 | 7 |
| 2005 | 49855007 | 7 |
| 2004 | 45539952 | 7 |
| 2003 | 42506835 | 7 |
| 2002 | 40380629 | 7 |
| 2001 | 41469789 | 7 |
| 2000 | 39711776 | 8 |
| 1999 | 33559400 | 7 |
| 1998 | 31594100 | 7 |
| 1997 | 30315700 | 9 |
| 1996 | 27759200 | 9 |
| 1995 | 25765700 | 10 |
| 1994 | 22361300 | 11 |
| 1993 | 22279400 | 9 |
| 1992 | 23385800 | 9 |
| 1991 | 20944600 | 8 |
| 1990 | 21652000 | 6 |
| 1989 | 20270300 | 6 |
| 1988 | 18983200 | 6 |
| 1987 | 16553300 | 9 |
| 1986 | 15403500 | 8 |